Vktech&reg; New Battery Powered Steel Blue Plush Walking Barking Electronic Dog Toy (Brown) Electronic Dog Toy Material(External): Plush, Plastic, Net Weight: 123g Overall Size: 20 x 8 x 13cm/7.87" x 3.3" x 5"(L*W*H) Power supply by 2 x AA battery(Not Included Here), easy to operate, just push the ON/OFF switch When switch on, The Electronic Dog Toy will walking, barking, eyes will flash yellow light